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AUTO TRANS DIAGNOSIS - 01M
Article Text (p. 9)
1996 Volkswagen Golf
For Volkswagen Technical Site
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, August 19, 1999 11:28PM
All models are equipped with an electronic shift lock system.
TCM controls shift lock system. See Fig. 2. This system locks gear
selector in Park or Neutral position unless brake pedal is pressed.
TCM uses shift lock control relay to release a solenoid mounted on
gear selector assembly.
NOTE: Shift lock relay will not lock gear selector when vehicle
speed is greater than 3 MPH.
A mechanical control cable prevents ignition key from being
removed unless gear selector is in Park position. With ignition key
removed, gear selector locks in Park position.
NOTE: If battery is disconnected or discharged, gear selector can
be moved out of Park position by turning ignition key to
START position.
Functional Check
1) With ignition key removed, ensure gear selector cannot be
moved from "P" position. Insert key in ignition switch.
2) Turn ignition on. Ensure gear selector can only be moved
with brake pedal pressed. Move gear selector to "N" position.
3) Without pressing brake pedal, ensure gear selector cannot
move out of "N" position. Press brake pedal down. Ensure it is now
possible to move gear selector.
4) If shift lock system does not operate as described, adjust
gear selector, solenoid and control cable. If shift lock system does
not operate after adjustments are made, check shift lock electrical
system with Scan Tool (VAG 1551).
5) See testing information under ELECTRONIC SELF-DIAGNOSTICS.
See Figs. 10-13. If any problems are found, service harness or
components. If no problems are found, TCM may be defective. If shift
lock system still does not operate correctly, check for worn or
damaged parts and replace as necessary. See Figs. 2 and 4.